Сохранить текущие изменения NAND и LED перед объединением веток

c/led-indicator/ports/stm32-hal/led_indicator_stm32_hal.c

@@ -0,0 +1,65 @@
+#include "led_indicator_stm32_hal.h"
+
+static void stm32_write(void *context, uint8_t channel, uint8_t on)
+{
+    LedIndicator_Stm32HalPort *adapter = (LedIndicator_Stm32HalPort *)context;
+    const LedIndicator_Stm32HalOutput *output;
+    GPIO_PinState state;
+
+    if ((adapter == NULL) || ((size_t)channel >= adapter->output_count)) {
+        return;
+    }
+    output = &adapter->outputs[channel];
+    state = ((on != 0U) ^ (output->active_low != 0U)) ? GPIO_PIN_SET : GPIO_PIN_RESET;
+    HAL_GPIO_WritePin(output->gpio, output->pin, state);
+}
+
+static uint32_t stm32_now_ms(void *context)
+{
+    LedIndicator_Stm32HalPort *adapter = (LedIndicator_Stm32HalPort *)context;
+    const uint32_t current = __HAL_TIM_GET_COUNTER(adapter->timer);
+    const uint32_t reload = __HAL_TIM_GET_AUTORELOAD(adapter->timer);
+    uint32_t delta;
+    uint64_t scaled;
+
+    if (current >= adapter->last_counter) {
+        delta = current - adapter->last_counter;
+    } else if (reload == UINT32_MAX) {
+        delta = current - adapter->last_counter;
+    } else {
+        delta = (reload - adapter->last_counter) + 1U + current;
+    }
+    adapter->last_counter = current;
+
+    scaled = (uint64_t)adapter->remainder + ((uint64_t)delta * 1000ULL);
+    adapter->accumulated_ms += (uint32_t)(scaled / adapter->timer_tick_hz);
+    adapter->remainder = (uint32_t)(scaled % adapter->timer_tick_hz);
+    return adapter->accumulated_ms;
+}
+
+uint8_t LedIndicator_Stm32HalPortInit(LedIndicator_Stm32HalPort *adapter,
+                                      TIM_HandleTypeDef *timer,
+                                      uint32_t timer_tick_hz,
+                                      const LedIndicator_Stm32HalOutput *outputs,
+                                      size_t output_count,
+                                      LedIndicator_Port *port)
+{
+    if ((adapter == NULL) || (timer == NULL) || (timer_tick_hz == 0U) ||
+        (outputs == NULL) || (output_count == 0U) || (output_count > 256U) ||
+        (port == NULL)) {
+        return 0U;
+    }
+
+    adapter->timer = timer;
+    adapter->outputs = outputs;
+    adapter->output_count = output_count;
+    adapter->timer_tick_hz = timer_tick_hz;
+    adapter->last_counter = __HAL_TIM_GET_COUNTER(timer);
+    adapter->accumulated_ms = 0U;
+    adapter->remainder = 0U;
+
+    port->write = stm32_write;
+    port->now_ms = stm32_now_ms;
+    port->context = adapter;
+    return 1U;
+}

c/led-indicator/ports/stm32-hal/led_indicator_stm32_hal.h

@@ -0,0 +1,39 @@
+/**
+ * @file led_indicator_stm32_hal.h
+ * @brief Порт LED Indicator для STM32F1/F4/G4 HAL и выбранного TIM.
+ */
+
+#ifndef LED_INDICATOR_STM32_HAL_H
+#define LED_INDICATOR_STM32_HAL_H
+
+#include "led_indicator.h"
+#include "led_indicator_stm32_hal_config.h"
+
+typedef struct {
+    GPIO_TypeDef *gpio;
+    uint16_t pin;
+    uint8_t active_low;
+} LedIndicator_Stm32HalOutput;
+
+typedef struct {
+    TIM_HandleTypeDef *timer;
+    const LedIndicator_Stm32HalOutput *outputs;
+    size_t output_count;
+    uint32_t timer_tick_hz;
+    uint32_t last_counter;
+    uint32_t accumulated_ms;
+    uint32_t remainder;
+} LedIndicator_Stm32HalPort;
+
+/**
+ * Создаёт порт на уже настроенном и запущенном таймере.
+ * timer_tick_hz — частота изменения CNT после prescaler, например 1000 Гц.
+ */
+uint8_t LedIndicator_Stm32HalPortInit(LedIndicator_Stm32HalPort *adapter,
+                                      TIM_HandleTypeDef *timer,
+                                      uint32_t timer_tick_hz,
+                                      const LedIndicator_Stm32HalOutput *outputs,
+                                      size_t output_count,
+                                      LedIndicator_Port *port);
+
+#endif /* LED_INDICATOR_STM32_HAL_H */

c/led-indicator/ports/stm32-hal/led_indicator_stm32_hal_config.f1.template.h

@@ -0,0 +1,6 @@
+#ifndef LED_INDICATOR_STM32_HAL_CONFIG_H
+#define LED_INDICATOR_STM32_HAL_CONFIG_H
+
+#include "stm32f1xx_hal.h"
+
+#endif

c/led-indicator/ports/stm32-hal/led_indicator_stm32_hal_config.f4.template.h

@@ -0,0 +1,6 @@
+#ifndef LED_INDICATOR_STM32_HAL_CONFIG_H
+#define LED_INDICATOR_STM32_HAL_CONFIG_H
+
+#include "stm32f4xx_hal.h"
+
+#endif

c/led-indicator/ports/stm32-hal/led_indicator_stm32_hal_config.g4.template.h

@@ -0,0 +1,6 @@
+#ifndef LED_INDICATOR_STM32_HAL_CONFIG_H
+#define LED_INDICATOR_STM32_HAL_CONFIG_H
+
+#include "stm32g4xx_hal.h"
+
+#endif